FILAMENT WINDING
The processing method for winding is mainly used in the production of circular composite products voids inside. The filament winding consist in using a rotating preform around which the wrap of resin impregnated fabric fibers. There are two types of use for this process: wet or dry. In the wet method, the fiber collects the low viscosity resin by passing an impregnation tank (as is the case with the pultrusion); the dry method instead provides for the use of prepregs filaments. Following the machining and hardening of the product, the inner mold is removed giving origin to the finished product. In this production process they can be used different types of resins, depending on the intended use of the finished product. The result of the processing, is a manufactured product at low cost, with high structural rigidity.
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